sigmoid flexure

American  

noun

1. Zoology. an S -shaped curve in a body part.

2. Also called sigmoid colon.  an S -shaped curve of the large intestine between the descending colon and the rectum.

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sigmoid flexure British  

noun

1. zoology an S-shaped curve, as in the necks of certain birds

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Etymology

Origin of sigmoid flexure

First recorded in 1780–90

Example Sentences

The autopsy showed the sigmoid flexure gone, and from the caput ceci to the termination the colon only measured 14 inches.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)

Accumulation of feces is most common in the rectum and sigmoid flexure, and then in the cecum.

From Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis by Jamison, Alcinous B. (Alcinous Burton)

The colon consists of four parts, described as the ascending colon, the transverse colon, the descending colon, and the sigmoid flexure, or sigmoid colon.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.

The sigmoid flexure was adherent to the abdominal wall opposite the wound of exit, and a dark ecchymosed patch was found, but no perforation could be detected.

From Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre by Makins, George Henry

The disturbance and danger are enhanced when the tissues of the sigmoid flexure and the rectum are invaded by inflammation.

From Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis by Jamison, Alcinous B. (Alcinous Burton)